Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 500-001-005 found under Chuck Stud by Nelson Stud Welding Inc. The National Stock Number assigned to this part is 3460001683221, and the Federal Supply Class is 3460 Machine Tool Accessories. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 500-001-005.